Navien NPE-180A, Operation Manual

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Safety Information 5
CAUTION
Do not attempt to repair or replace any part of the water
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heater, unless it is specifically recommended in this
manual.
For all other service, contact an authorized technician or
licensed professional. Improper adjustments, alterations,
service, or maintenance may lead to property damage,
personal injury, or death and will void your warranty.
Do not operate the water heater if you feel something is
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wrong with it.
Doing so may result in product damage or personal injury.
Do not allow children to operate or access the water
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heater.
Doing so may result in product damage or personal injury.
Do not attempt to change the water temperature while
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the water heater is being used.
Doing so may result in personal injury.
Do not turn on the water heater unless the water and gas
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supplies are fully opened.
Doing so may damage the water heater.
Do not turn on the water if the cold water supply shut-
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off valve is closed.
Doing so may damage the water heater.
Do not use this water heater for anything other than its
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intended purpose, as described in this manual.
Do not remove the front cover unless the power to the
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water heater is turned off or disconnected.
Failure to do so may result in electric shock.
When servicing the controls, label all wires prior to
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disconnecting them.
Failure to do so may result in wiring errors, which can lead to
improper or dangerous operation.
Do not use unapproved replacement or accessory parts.
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Doing so may result in improper or dangerous operation
and will void the manufacturer’s warranty.
Do not place anything in or around the vent terminals,
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such as a clothes line, that could obstruct the air flow in
or out of the water heater.
This water heater has been approved for use in the USA
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and Canada only.
Using the water heater in any other country will void the
manufacturer’s warranty.
Should overheating occur or the gas supply fail to shut
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off, turn off the manual gas valve to the appliance.
Do not use this appliance if any part has been under
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water.
Immediately call a qualifed service technician to inspect the
appliance and to replace any part of the control system and
any gas control which has been under water.
WARNING
Shut off the gas supply if the water heater is damaged.
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Have your installer or plumber show you the location of the
gas shut off valve and demonstrate how to close the valve. If
the water heater is damaged as a result of overheating, fire,
flood, or any other reason, close the manual shut off valve
and do not operate the water heater again until it has been
inspected by a qualified technician.
Do not store or use gasoline or other flammable liquids
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near this water heater.
Doing so may result in fire or explosion.
Do not place combustibles, such as newspapers or
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laundry, near the water heater or venting system.
Doing so may result in a fire.
Do not place or use hair sprays, spray paints, or any other
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compressed gases near the water heater or venting
system, including the vent termination.
Doing so may result in fire or explosion.
Do not operate the water heater with the front cover
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opened.
Doing so may result in fire or carbon monoxide (CO)
poisoning, which may result in property damage, personal
injury, or death.
Do not operate this water heater without proper
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venting.
Doing so may result in fire or carbon monoxide (CO)
poisoning, which may result in property damage, personal
injury, or death. Inspect the vent termination and air intake
supply annually to ensure proper operation of the water
heater. Turn off and discontinue use of the water heater
if any of the vent pipes, vent elbows, or intake pipes are
damaged in any way, separated at a joint, or show evidence
of corrosion, rusting, or melting.
Do not touch the power cord or internal components of
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the water heater with wet hands.
Doing so may result in electric shock.